Shapeless
Generic programming for Scala (by milessabin)
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Shapeless | scribe | |
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13 | 2 | |
3,363 | 1,500 | |
- | 3.7% | |
7.5 | 8.8 | |
6 days ago | 26 days ago | |
Scala | PHP | |
Apache License 2.0 | MIT License |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Shapeless
Posts with mentions or reviews of Shapeless.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-07-06.
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Question regarding Recursive datatypes and cats typeclasses (Haskell to Scala)
Scala 2-only: * Shapeless (there is Shapeless for Scala 3 but less often needed as basic things are in Scala 3)
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Is there the equivalent of this in Scala ? (Maps to Struct)
This is the FromMap typeclass in Shapeless. Note that there’s a companion syntax package for it providing .toRecord for any Map and an appropriately-structured Record (and a Record is the LabelledGeneric representation of a case class).
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Scala 3: modifying product types in compile-time
If that's what you want, you can use Shapeless' records and HList. You can probably replicate this in plain Scala 3 with tuples and literal types as you said. It won't play nice with your others libs though but maybe there are integrations.
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Does Scala have support for Dependent types?
See the Shapeless Sized example.
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How does Scala's type system compare to TypeScript's? Is it as powerful?
Shapeless has Sized: https://github.com/milessabin/shapeless/blob/v2.3.9/core/src/main/scala/shapeless/sized.scala
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Fp libraries that target scala 3 exclusively?
I know that libraries like Scodec and shapeless were rewritten practically from scratch for Scala 3, taking advantage of the next syntax and internals, as well as protoquill - a Scala 3 implementation of Quill.
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Delphi 11 Alexandria Has Been Released
please show me something like this: https://akka.io/ or this: https://zio.dev/ or this: https://github.com/milessabin/shapeless
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6 Years of Professional Clojure
That largely depends on the type system. Languages like Haskell and Scala which have much more powerful type systems than C/Java/Go/etc absolutely do allow you to do those sorts of things. It is a bit harder to wrap your head around to be sure and there are some rough edges, but once you get the hang of it you can get the benefits of static typing with the flexibility of dynamic typing. See https://github.com/milessabin/shapeless or a project that I've been working on a lot lately https://github.com/zio/zio-schema.
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Scala3: Does it provide a simplified way of doing n-term generic parameters?
Just use cats and use the apply syntax .mapN for this. Seriously. There isn't a way to do it without generating source code that I can see in the api. Scala 3's HList Tuples aren't like Shapeless 2's HLists and I can't figure out a way in the api to reduce the tuple members down from (A, B, C, D) into an E, generically, yet with Scala 3 poly functions, unlike what you could do in Shapeless 2 with HList
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Scala: A Love Story
Scala has sparked a huge ecosystem of very high quality libraries (Cats, Scalaz, shapeless, to name but a few). I think a major reason for this is that Scala attracts developers who value the advantages of the JVM, but are fed up with the limitations of the Java programming language and understand the benefits of an expressive type system and functional programming.
scribe
Posts with mentions or reviews of scribe.
We have used some of these posts to build our list of alternatives
and similar projects.
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You have to use a dynamically typed language like Ruby or PHP. What are your methods for keeping a clean, self-documenting code?
PHP isn't so bad, especially if you use a tool like Scribe which generates doc pages based on your docblocks. We use it in our Laravel application and it's incredibly useful.
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What is your favorite tools to auto generate Larval api docs?
Been using scribe for some time. It’s pretty good. Interested in seeing what other people use.
What are some alternatives?
When comparing Shapeless and scribe you can also consider the following projects:
cats - Lightweight, modular, and extensible library for functional programming.
Simulacrum - First class syntax support for type classes in Scala
magnolia - Easy, fast, transparent generic derivation of typeclass instances
Each - A macro library that converts native imperative syntax to scalaz's monadic expressions
Monocle - Optics library for Scala
Log4s - High-performance SLF4J wrapper for Scala.
Scalaz - Principled Functional Programming in Scala
Chimney - Scala library for boilerplate-free, type-safe data transformations
n-scala - A new Scala wrapper for Joda Time based on scala-time
scala-newtype - NewTypes for Scala with no runtime overhead
LArray - Large off-heap arrays and mmap files for Scala and Java